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Configuration Guide - Reliability

CloudEngine 12800 and 12800E V200R002C50

This document describes the configurations of Reliability, including BFD Configuration, VRRP Configuration, DLDP Configuration, Smart Link and Monitor Link Configuration, EFM Configuration, and CFM Configuration.
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Manually Switching Data Flows to the Other Link

Manually Switching Data Flows to the Other Link


When both the primary and backup links are working properly, you can manually switch data flows from the primary link to the backup link or from the backup link to the primary link.

A link switchover can succeed when the following conditions are met:

  • Both the master and slave interfaces exist and are in Up state.
  • The smart-link { lock | force } command has not been configured to lock data flows to the master or slave interface.

The smart-link manual switch command can be executed repeatedly in the Smart Link group view. Each time you run the command, a link switchover is performed, causing millisecond-level packet loss.


  1. Run system-view

    The system view is displayed.

  2. Run smart-link group group-id

    The Smart Link group view is displayed.

  3. Run smart-link manual switch

    Data flows are switched to the other interface.

Updated: 2019-03-21

Document ID: EDOC1000166606

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